• 1 - A condition where surgery has been performed (Surgical code)
  • 1 - Respiratory
    • 4 - Lungs
      • 6 - Collapse
      • 8 - Congenital or acquired deformity or abnormality
      • 15 - Haemorrhage
      • 27 - Infection
      • 28 - inflammation (or oedema, fibrosis or inhalation)
      • 37 - Transplant (or related)
      • 39 - Tumour or malignancy
      • 56 - Trauma
• 2 - A condition where no surgery has been performed (non-surgical code)